Enable mbedtls-gather-timestamps

Signed-off-by: Arthur She <arthur.she@linaro.org>
Change-Id: I83991f839bab2bb8319a88d8eed744abf6a04307
diff --git a/mbedtls-gather-timestamps.yaml b/mbedtls-gather-timestamps.yaml
index ffc31c5..801cf4a 100644
--- a/mbedtls-gather-timestamps.yaml
+++ b/mbedtls-gather-timestamps.yaml
@@ -2,7 +2,7 @@
     concurrent: true
     description: Mbed TLS job to gather timestamps from various jobs' runs
     name: mbedtls-gather-timestamps
-    disabled: true
+    disabled: false
     pipeline-scm:
       lightweight-checkout: true
       scm: